Simultaneous generation of baseband and radio signals using only one single-electrode Mach-Zehnder modulator with enhanced linearity

Chun Ting Lin*, Wei Ren Peng, Peng Chun Peng, Jayson Chen, Cheng Feng Peng, Bi Shou Chiou, Sien Chi

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

76 Scopus citations

Abstract

We experimentally demonstrate a simultaneous generation of baseband (BB) and RF signals, using only one single-electrode Mach-Zehnder modulator (SD-MZM) based on double-sideband with optical carrier suppression (DSBCS) scheme. With optimal modulation index (MI = V p-p/ 2Vpi) equal to 0.43 for driving MZM, the receiver sensitivity of the RF signal can have 1-dB improvement. Based on this result, only one SD-MZM is needed to generate optical microwaves using DSBCS scheme, thus eliminating the requirement of a high-cost dual-electrode MZM without degrading the signal performance. Following 75-km standard single-mode fiber, the power penalties of both BB and RF signals are less than 0.3 dB.

Original languageEnglish
Pages (from-to)2481-2483
Number of pages3
JournalIEEE Photonics Technology Letters
Volume18
Issue number23
DOIs
StatePublished - 1 Dec 2006

Keywords

  • Mach-Zehnder modulator (MZM)
  • Microwave
  • Millimeter-wave (mm-wave)
  • Radio-over-fiber (RoF)

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